Individual provider Active NPI

Pedro A Ballester, MD

  • Family Medicine Physician
  • Warren, OH
National Provider Identifier
1659358588
Registry record updated May 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
35.058499 Issued in OH
Practice address
1405 E Market St
Warren, OH 44483-6609
Phone
(234) 338-9775
Fax
(234) 338-9787
NPI assigned
Dec 30, 2005
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 20, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 35.058499 OH Primary
Emergency Medicine Physician 207P00000X 35.058499 OH

Addresses

Primary practice location

1405 E Market St
Warren, OH 44483-6609

Mailing address

100 Debartolo PL Ste 200
Youngstown, OH 44512-6095
Phone (234) 338-9775

Other identifiers 1

IdentifierTypeStateIssuer
0776414MedicaidOH

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20060131000966 OH Practitioner - Family Practice 3870507650 Reassigns benefits to 2 organizations
Practice locations: Warren, OH

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
University of Puerto Rico School of Medicine, 1981
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Triad Health Services LLCGroup PAC ID 9032367917, 252 clinicians

Practice addresses (Care Compare)

1405 E Market St
Warren, OH 44483-6609
Phone (234) 338-9775

Hospital & facility affiliations

  • Surgical Hospital at Southwoods Hospital, Youngstown, OH, CCN 360352
  • MH St Joseph Warren Hospital Hospital, Warren, OH, CCN 360161
  • MH St Elizabeth Youngstown Hospital Hospital, Youngstown, OH, CCN 360064

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
35.058499OHMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Steward Medical Group Inc. Family Medicine CurrentSince Dec 1, 2018 Accepting new patients
Steward Medical Group, Inc CurrentSince Dec 1, 2018 Accepting new patients
Triad Health Services, LLC Family Medicine CurrentSince Jan 1, 2025 Accepting new patients
The Surgery Center at Southwoods, LLC Past Accepting new patients
4M Emergency Systems LLC Emergency Medicine Past Accepting new patients
Stewart and Stewart a Medical Corporation Family Medicine PastSince Jan 1, 2025 Accepting new patients

Locations

1350 E Market St
Warren, OH 44483
Phone (330) 841-5969

1405 E Market St
Warren, OH 44483
Phone (234) 338-9775

100 Debartolo Pl
Ste 200
Youngstown, OH 44512
Phone (330) 965-7828

7629 Market St
Ste 250
Youngstown, OH 44512
Phone (330) 729-9480

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 5

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1135900800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779235200000",
    "number": "1659358588",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 DEBARTOLO PL STE 200",
            "city": "YOUNGSTOWN",
            "state": "OH",
            "postal_code": "445126095",
            "telephone_number": "234-338-9775",
            "fax_number": "234-338-9787"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1405 E MARKET ST",
            "city": "WARREN",
            "state": "OH",
            "postal_code": "444836609",
            "telephone_number": "234-338-9775",
            "fax_number": "234-338-9787"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BALLESTER",
        "first_name": "PEDRO",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-12-30",
        "last_updated": "2026-05-20",
        "certification_date": "2026-05-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "OH",
            "license": "35.058499",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "OH",
            "license": "35.058499",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0776414",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Warren, OH

Sources for this page

Verify at the official NPI Registry.